Add backupninja as preinstalled formula

Change-Id: I57bbb3e9f9e88eeace9fec199ff730b5375307ce
diff --git a/tcp_tests/templates/virtual-mcp-pike-ovs/salt.yaml b/tcp_tests/templates/virtual-mcp-pike-ovs/salt.yaml
index 6168127..422e178 100644
--- a/tcp_tests/templates/virtual-mcp-pike-ovs/salt.yaml
+++ b/tcp_tests/templates/virtual-mcp-pike-ovs/salt.yaml
@@ -14,7 +14,7 @@
 
 {{ SHARED.MACRO_CLONE_RECLASS_MODELS() }}
 
-{{ SHARED.MACRO_CONFIGURE_RECLASS(FORMULA_SERVICES='"linux" "reclass" "salt" "openssh" "ntp" "git" "nginx" "collectd" "sensu" "heka" "sphinx" "keystone" "mysql" "grafana" "haproxy" "rsyslog" "horizon" "prometheus" "telegraf" "elasticsearch" "fluentd"') }}
+{{ SHARED.MACRO_CONFIGURE_RECLASS(FORMULA_SERVICES='"linux" "reclass" "salt" "openssh" "ntp" "git" "nginx" "collectd" "sensu" "heka" "sphinx" "keystone" "mysql" "grafana" "haproxy" "rsyslog" "horizon" "prometheus" "telegraf" "elasticsearch" "fluentd" "backupninja"') }}
 
 {{ SHARED.MACRO_INSTALL_SALT_MINIONS() }}